JUKI DLN-6390 Engineer's Manual

−3 −
1. Blade point of the hook scoops needle thread.
3. THREAD TRIMMING
(1) Principle of thread trimming
(2) Sequence of thread trimming
3. Moving knife handles needle thread
(travels backward).
5. Moving knife catches needle /bobbin threads
(travels forward).
2. Needle thread crosses over the hook.
4. Needle thread is caught with the thread draw-out plate
(moving knife travels backward up to the end).
6. Thread is trimmed.
Depress front
part of pedal.
Low speed to
high speed
Pedal neutral
(Stop position)
DOWN stop
Thread trimming Mg
ON, machine runs
Moving knife
starts.
Moving knife handles
thread (Moving knife
travels backward.)
Needle thread is caught with
thread draw-out plate. (Moving
knife travels backward up to end.)
Thread trimming
hread trimming
Mg OFF
Tension release
Mg OFF
DOWN detection
signal detection
Depress back
part of pedal.
Engagement of
cam and roller
Thread crosses
over hook.
Tension release
Mg ON
Moving knife catches needle/
bobbin threads. (Moving knife
travels forward.)
UP detection
signal detection
Disengagement
of cam and roller
UP stop

JUKI DLN-6390 Specifications

General

Brand	JUKI
Model	DLN-6390
Category	Sewing Machine
Language	English